Choose law of sines or law or cosines to solve the triangle: angle A = 40 degrees, a=5, b=9

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Which graph represents the linear function below? y-4= (4/3)(x-2)